public class Example29 {
    public static void main(String[] args) {
        int[] arr = {9, 8, 3, 5, 2,};
        System.out.println("冒泡排序前：");
        printArray(arr);
        bubblesort(arr);
        System.out.println("冒泡排序后");
        printArray(arr);
    }
    public static void printArray(int[] arr){
        for (int i = 0; i < arr.length; i++){
            System.out.println(arr[i]+"");
        }
        System.out.println("\n");
    }
    public static void bubblesort(int [] arr){
        for (int i = 0; i < arr.length-1; i++){
            for (int j = 0 ; j < arr.length - i - 1; j++){
                if (arr[j] > arr[j +1]){
                    int temp = arr[j];
                    arr[j]= arr[j+1];
                    arr[j + 1] = temp;
                }
            }
            System.out.println("第"+(i + 1)+ "轮排序后：");
            printArray(arr);
        }
    }
}
